SKU 9485830 The Original Muck Boot Company® Muck Chore Cool 16" St boots are 100% waterproof with neoprene shaft and four-way stretch nylon. Meets ASTM F2413-11 MI/75 C/75 EH standards. Stretch-fit topline binding snugs calf to keep warmth in and cold out. 4mm Neoprene bootie for comfort and performance. XpressCool™ lining. Pull-tab at the back for easy on-and-off. Steel shank for support. Textured, lightweight Vibram® rubber outsole. Imported Product measurements were taken using size 9, width M. Please note that measurements may vary by size. Measurements: Weight: 2 lbs 10 oz Circumference: 16 1⁄2 in Shaft: 12 in View Zappos.com Glossary of Terms The Original Muck Boot Company Muck Chore Cool 16" St